Finding the Third Proportional to 50,429.25 and 108,639

Step by Step Solution

1. Step 1: Write the proportion equation
   50,429.25 : 108,639 = 108,639 : x
2. Step 2: Convert to fraction form
   50,429.25/108,639 = 108,639/x
3. Step 3: Cross multiply
   50,429.25x = 108,639 × 108,639
4. Step 4: Simplify right side
   50,429.25x = 11,802,432,321
5. Step 5: Solve for x
   x = 11,802,432,321/50,429.25
6. Step 6: Final answer
   x = 234,039.42